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Thread: System sounding too "digital" - would one of these be a good upgrade??

  1. #31
    Join Date: Oct 2008

    Location: Glasgowshire

    Posts: 9,663
    I'm Gary.

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    Cheers guys, noway am I getting somethin tha ADDS distortion to my system!

    Back to source, I'm going to look again at opamp choices for my 7520 Caiman, there was a distinct change in sound "flavour" using different opamps, and that's where Im looking first.
    Ive the LM4562 in at the moment, and I've found it no to be the most "warm n cosy" sounding amp, so will try a few alternatives.

    Another theory I have is that the dac sound has changed (which it did) when I lined the Dacs case with Dynamat-like sheet. The bass tightened up considerably and perhaps my ears are just adjusting to the different sound with a lot less "resonant" low end?

    Maybe a sweetspot will happen with a particular opamp...?
    AC POWER
    Hardwired 10kVA balanced mains powering entire system
    AMPS
    Meridian 557 power Amp (Modded) / PS Audio BHK Preamp (Modded)
    SPEAKERS
    Wharfedale Evo 4.4
    DAC
    PS Audio Directstream (Modded)
    TURNTABLE
    Pro-Ject X8 balanced output via XLR / Ortofon Quintet Blue cartridge
    PHONOSTAGE
    Pro-Ject DS3 B balanced Input (TT and Phonostage powered by Pro-Ject Power box RS2 linear psu)
    DIGITAL
    OPPO 203 (Modded: Linear PSU, i2s output to Dac) - Roon Endpoint, HDMI input used for all things Streaming/ PS5 /AppleTV ... also good for movies apparently?
    MUSIC PLAYBACK
    Tweaked AP-Linux based Roon Server into Oppo 203 as Roon endpoint
    Ipad Roon Remote.
    Apple Music/ YouTube via AppleTV, fed to Dac via Oppo HDMI input/i2s output to Dac.
    SPEAKER CABLES
    Biwired: Duelund DCA10GA (Bass) Duelund DCA16GA (mid & treble) Duelund 12DCA used as jumpers (On
    "Blackcat Cable" Chris Sommivigo's advice - yup, even with biwire it sounds better - and it does)
    INTERCONNECTS
    All Balanced: Ghost+ recording studio XLR cables

  2. #32
    leo's Avatar
    leo is offline Circuit Junkie & DIY Room Forum Leader
    Join Date: Jan 2008

    Location: Notts UK

    Posts: 1,805

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    Glad you got rid of the OPA2132, almost sure I mentioned this before but after running it in I found it gave an extremely annoying sound, so much so I felt like launching the dac through the window so removed it for good (currently back with THS4032) , certainly try some alternative op-amps Gaz, some are subtle in what they do but for me that OPA2132 really kills Stans dac
    Just my opinion of course
    Cheers,
    Leo

  3. #33
    leo's Avatar
    leo is offline Circuit Junkie & DIY Room Forum Leader
    Join Date: Jan 2008

    Location: Notts UK

    Posts: 1,805

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    Oh, certainly try Stans latest cap update on the audioboard too, it may help
    Cheers,
    Leo

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